orinoco: add function to retrieve current bssid

We will need this from the cfg80211 disassociate call.
Signed-off-by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/orinoco/hw.c

@@ -1272,3 +1272,15 @@ int orinoco_hw_disassociate(struct orinoco_private *priv,
 				  &buf);
 	return err;
 }
+
+int orinoco_hw_get_current_bssid(struct orinoco_private *priv,
+				 u8 *addr)
+{
+	hermes_t *hw = &priv->hw;
+	int err;
+
+	err = hermes_read_ltv(hw, USER_BAP, HERMES_RID_CURRENTBSSID,
+			      ETH_ALEN, NULL, addr);
+
+	return err;
+}

drivers/net/wireless/orinoco/hw.h

@@ -53,5 +53,7 @@ int orinoco_hw_trigger_scan(struct orinoco_private *priv,
 			    const struct cfg80211_ssid *ssid);
 int orinoco_hw_disassociate(struct orinoco_private *priv,
 			    u8 *addr, u16 reason_code);
+int orinoco_hw_get_current_bssid(struct orinoco_private *priv,
+				 u8 *addr);
 
 #endif /* _ORINOCO_HW_H_ */

drivers/net/wireless/orinoco/wext.c

@@ -156,7 +156,6 @@ static int orinoco_ioctl_getwap(struct net_device *dev,
 {
 	struct orinoco_private *priv = ndev_priv(dev);
 
-	hermes_t *hw = &priv->hw;
 	int err = 0;
 	unsigned long flags;
 
@@ -164,8 +163,7 @@ static int orinoco_ioctl_getwap(struct net_device *dev,
 		return -EBUSY;
 
 	ap_addr->sa_family = ARPHRD_ETHER;
-	err = hermes_read_ltv(hw, USER_BAP, HERMES_RID_CURRENTBSSID,
-			      ETH_ALEN, NULL, ap_addr->sa_data);
+	err = orinoco_hw_get_current_bssid(priv, ap_addr->sa_data);
 
 	orinoco_unlock(priv, &flags);